1 ### -*- coding: utf-8 -*- ####################################################

     2 ##############################################################################

     3 #

     4 # Copyright (c) 2008-2010 Thierry Florac <tflorac AT ulthar.net>

     5 # All Rights Reserved.

     6 #

     7 # This software is subject to the provisions of the Zope Public License,

     8 # Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.

     9 # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED

    10 # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

    11 # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS

    12 # FOR A PARTICULAR PURPOSE.

    13 #

    14 ##############################################################################

    15 

    16 __docformat__ = "restructuredtext"

    17 

    18 # import standard packages

    19 

    20 # import Zope3 interfaces

    21 from zope.tales.interfaces import ITALESFunctionNamespace

    22 

    23 # import local interfaces

    24 from ztfy.utils.tal.interfaces import IHTMLTalesAPI

    25 

    26 # import Zope3 packages

    27 from zope.interface import implements

    28 

    29 # import local packages

    30 from ztfy.utils.html import htmlToText

    31 from ztfy.utils.text import textToHTML, Renderer

    32 

    33 

    34 class HTMLTalesAdapter(object):

    35 

    36     implements(IHTMLTalesAPI, ITALESFunctionNamespace)

    37 

    38     def __init__(self, context):

    39         self.context = context

    40 

    41     def setEngine(self, engine):

    42         self.request = engine.vars['request']

    43 

    44     def renderer(self):

    45         return Renderer(self.context)

    46 

    47     def totext(self):

    48         if not self.context:

    49             return u''

    50         return htmlToText(self.context)

    51 

    52     def text(self):

    53         if not self.context:

    54             return u''

    55         return textToHTML(self.context, 'zope.source.plaintext')

    56 

    57     def stx(self):

    58         if not self.context:

    59             return u''

    60         return textToHTML(self.context, 'zope.source.stx')

    61 

    62     def rest(self):

    63         if not self.context:

    64             return u''

    65         return textToHTML(self.context, 'zope.source.rest')